Chimney-top



W. W. BICKE. AND H; E. BROWN.

CHIIVINEY TOP.

APPLICATION FILED MAY17, 1920.

1,390,269, PatentedSept. 13, 19m.

rrrn rrr ArNT orifice.

WALTER w. msnm. Ann Herner npBncwN, or Das Moin-ns, iowa.

CHMNEY-TOP. i

Application ledMay 17,

'county of Polk, and State ot Iowa, have invented a newfand usefulimprovement in Chimney-Tops, oi' which the following is a specification.

The object olf this invention is to provide means for expanding andcontracting a chimney-top to lit chimneys of various transversedimensions. n

A -further object oit this invention is to provide an improvedconstruction for chimney-tops having separable embracing membersarranged in telescopin relation to each other and adapted to be lockedtogether in various positions in respect to expansionor contractionthereof. p

A further object or this invention is to provide means for bridgingspaces in an v enpansible and contractible chimney top.

' central cross-section of the same.

Our invention consists in the construction, arrangement and combinationot elements hereinafter set forth, kpointed out in our claims andillustrated by the accompanying drawing, in which- Figure 1 is a sideelevation of one em-` bodiment ci our invention, the dotted linesindicating expansion thereof. Fig. 2 is a Fig. 3 is a centralcross-section of embracing elements of the device.

Fig. 4 is a cross-section on the indicated line 4 4: of Fig. 5, and Fig.5 is a plan of a bridging device susceptible of being substituted forparts et the device shown in Figs. 1, 2 and 3.

In the construction oi. the device as shown in Figs. 1, 2 and 3, thenumeral 10 designates a plate, preferably made of sheet metal, generallyflat and plane in form, square in shape and of a size to overlay the topof a chimney of relatively small transverse dimensions. The plate 10 istermed with a centrally located hole 11, oi". any suitable shape, saidhole being shown square in the drawing, adapted to register andsubstantially correspond in transverse dimension with the flue of thechimney mentioned. One or more flanges 12 are termed on the plate 10, atthe margin ot the hole 11, and extend upwardly from said plate, saidflanges forming and providing a base, or collar, for a cowl or flueextension (not shown), whereby said plate may be secured Specificationof Letters Patent. Pgmgnted Sept. 13 1921.

1920. serial No. 381,932.

to and support said* cowl. The plate 1() is termed with recurved orfolded flanges 13 on its outer margins,rwhich flanges lie be low andparallel withV said plate. Embracing members are provided, preferablyfour in number, one for each corner of the plate. Each embracing memberis formed with an upright wall 111, bent substantially at right analesadjacent its center and adapted to embrace a corner of a masonry chimney-(not shown), and" a horizontal ilange 15 integral with and extendinginwardly from the upper margin of said wall. rlhe wall leand' flange 15preferably are formed `ot one `piece of sheet metal by bending, theflange being notched at its center in a common manner to permit saidbending. When the embracing members are mounted for use with` the plate,the end portion ot adjacent members overlap as to their walls and the2flanges of said members extend, slidingly, within flat pockets formedby the re-curved or folded flanges 13, as shown in Fig. .12. Some of theflanges 15a oit the embracing members are oiiset as shown at 16 in Fig.3 so that the end portion ot an adjacent lange 15 may overlap thereonwhen the device is contracted and the walls 14 are within an outlinecircumscribed by the margin of the plate 10 in fitting a relativelysmall chimney. rl`wo different `means are shown for connecting the walls14.- oi separate embracing members to give them gripping and embracingeifect relative to the chimney. Olne such means comprises angle-ears 17,18 fixed to adjacent end portions of overlappingor overlappable walls14E, said ears being formed with registering openings, and stove-bolts19 mounted in said openings and employed to connect the ears and drawthe ears, andV consequently the walls, together. rlhe other of saidmeans comprises a strap 20, secured by a rivet 21 to one wall, andextending across the adjacent ends of two walls 14 and passing beneath aclip or keeper 22 struck out of the adjacent wall, the strapAyoverlapping the end of the wall carrying the clip and being adapted tobe bent outward and folded on the clip, at its outer end, to hold therespective walls or embracing members in a given relative position. OneJform of connecting means may be used on the shorter sides oi? theexpanded device and the other form ot connecting means may be employedon the longer sides of the expanded device, or the same may be usedselectively.

In the vconstruction according to Figs. 4 and 5, the plate la is formedWithout the recurved or folded flanges 13 and a duplicate plate b,except that the flanges l2 areV Y omitted, is located beneath andparallel With the plate l()a and spaced therefrom by means of bars 23located adjacent to margins of the holes ll'. The plates 10a, 10bandbars 23 are connected by stove-bolts 24 in suitable locations. VSuchconstruction provides flat pockets 25 adapted to receive flanges l5 andl5 of. embracing members as above de;- scribed in assembling the devicefor use.

Because of the formation of the base plate `with flat pockets, of eitherform, and the formation ofthe embracing members` With flanges adapted toenter said pockets, and the provision of means for adjustably connectingthe walls of the embracing members, a complete device is produced whichVprotects the top of a chimney from injurious effects of the elementsand centers the out-going smoke, and provides la base for a cowl.

`We claim as our invention- 1. A chimney-top comprising a base plateformedrwith flat pockets and a central-opening, embracing members formedwith flat members adapted to slide in said pockets, and means forconnecting said embracing members. Y v

2. A chimney-top Vcomprising a 'sheetmetal plate formedwith a centralopening and also formed with outwardly-opening means `for "adjustablyconnecting said embracing members.

l-NA chimney-top comprising aV plate formed With a 'central opening andalso formed With recurved or folded flanges vat its margins, saidflanges lying parallel with said ,plate and forming outwardly-opening 1pockets, and embracing members adapted to embrace the corners Vof achimney and Vformedwith {ianges adaptedto slide in said pockets,andmeans for adjustably connecting said Aembracing members.

5. A chimney top comprising'a plate havingl flanges andembracing membersadjustably 'engaging said flan-ges, said members being formed With Wallsoverlapping at their ends,in combination `with connecting meansextending-across: the overlapping ends of the Walls Vand 'adjustablyconnecting the same. Y v

Y WALTER W. .BICKEL HALLEY E- BROWN.

